Earthquake with magnitude of ML 1.2 on date 02-04-2024 and time 11:49:25 (Italy) in region 5 km E Brisighella (RA)

A magnitude ML 1.2 earthquake occured in region: 5 km E Brisighella (RA), on

  • 02-04-2024 09:49:25 (UTC)
  • 02-04-2024 11:49:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2200, 11.8330 at 23 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Brisighella RA 5 7639 7639
Modigliana FC 8 4560 12199
Faenza RA 8 58541 70740
Riolo Terme RA 11 5720 76460
Castrocaro Terme e Terra del Sole FC 11 6426 82886
Castel Bolognese RA 11 9554 92440
Dovadola FC 12 1653 94093
Solarolo RA 16 4488 98581
Casola Valsenio RA 17 2617 101198
Forlì FC 17 117913 219111
Tredozio FC 17 1212 220323
Predappio FC 18 6346 226669
Imola BO 18 69797 296466
Rocca San Casciano FC 18 1910 298376
Bagnara di Romagna RA 19 2429 300805
Casalfiumanese BO 19 3438 304243
Mordano BO 20 4760 309003

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SW of Faenza (58541 inhabitants)
17 Km W of Forlì (117913 inhabitants)
18 Km SE of Imola (69797 inhabitants)
34 Km W of Cesena (96758 inhabitants)
37 Km SW of Ravenna (159116 inhabitants)
50 Km SE of Bologna (386663 inhabitants)
61 Km W of Rimini (147750 inhabitants)
68 Km NE of Firenze (382808 inhabitants)
70 Km NE of Prato (191150 inhabitants)
71 Km S of Ferrara (133155 inhabitants)
73 Km NE of Scandicci (50609 inhabitants)
80 Km E of Pistoia (90315 inhabitants)
84 Km N of Arezzo (99543 inhabitants)
86 Km SE of Modena (184973 inhabitants)
93 Km W of Pesaro (94582 inhabitants)
95 Km S of Rovigo (51867 inhabitants)
98 Km SE of Carpi (70699 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.2 2024-04-02
09:49:25
44.2202 11.8328 23 2024-04-02
09:57:02
Sala Sismica INGV-Roma 126397521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-02 09:49:25 ± 0.38
Latitude 44.2202 ± 0.0162
Longitude 11.8328 ± 0.0213
Depth (km) 23 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126397521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1713
Semi-minor axis of confidence ellipse (meter) 1213
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 1710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 250
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.16817
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 126397521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-02 09:57:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2024-04-02T09:49:40.22 0.6 undecidable manual S 244 42.0246 111 0.3 50
IV.RINC.EHN. 2024-04-02T09:49:39.90 0.6 undecidable manual S 206 41.1255 111 0.19 49
IV.VMGN.HHZ. 2024-04-02T09:49:39.15 0.6 undecidable manual S 219 37.9287 113 0.23 49
IV.SFI.EHZ. 2024-04-02T09:49:38.30 0.6 undecidable manual S 178 35.0427 116 0.1 50
IV.VISG.HHZ. 2024-04-02T09:49:36.98 0.6 undecidable manual S 264 31.8459 118 -0.48 40
IV.LMD.HHZ. 2024-04-02T09:49:34.04 0.6 undecidable manual S 212 18.6702 135 -0.58 39
IV.SEI.HHZ. 2024-04-02T09:49:33.77 1.0 negative manual P 244 42.0246 111 -0.12 24
IV.RINC.EHN. 2024-04-02T09:49:33.70 0.1 undecidable manual P 206 41.1255 111 -0.07 96
IV.MTRZ.HHZ. 2024-04-02T09:49:33.37 0.1 undecidable manual P 288 34.0437 116 0.61 98
IV.VMGN.HHZ. 2024-04-02T09:49:33.44 0.6 positive manual P 219 37.9287 113 0.13 50
IV.VISG.HHZ. 2024-04-02T09:49:32.04 0.1 undecidable manual P 264 31.8459 118 -0.43 88
IV.SFI.EHZ. 2024-04-02T09:49:32.87 0.1 undecidable manual P 178 35.0427 116 -0.03 100
IV.LMD.HHZ. 2024-04-02T09:49:30.45 0.1 negative manual P 212 18.6702 135 -0.38 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:2.1 0.0007384999999999999 0.18 AML other m 2024-04-02T09:49:34.32
IV.LMD.HHE. ML:1.8 0.00034550000000000005 0.16 AML other m 2024-04-02T09:49:34.34
IV.VISG.HHN. ML:1.0 0.000038 1.36 AML other m 2024-04-02T09:49:37.26
IV.VISG.HHE. ML:1.1 0.000043349999999999997 0.94 AML other m 2024-04-02T09:49:38.08
IV.SFI.EHE. ML:1.3 0.00006840000000000001 0.3 AML other m 2024-04-02T09:49:38.74
IV.SFI.EHN. ML:1.3 0.00006720000000000001 1.44 AML other m 2024-04-02T09:49:39.08
IV.VMGN.HHE. ML:0.9 0.000023082535 0.14 AML other m 2024-04-02T09:49:39.68
IV.VMGN.HHN. ML:1.2 0.000042775705 0.18 AML other m 2024-04-02T09:49:39.88
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download